diff --git a/gtk/gtkcsscolorvalue.c b/gtk/gtkcsscolorvalue.c
index 0531db40ac..c1dce03810 100644
--- a/gtk/gtkcsscolorvalue.c
+++ b/gtk/gtkcsscolorvalue.c
@@ -151,7 +151,7 @@ _gtk_css_color_value_resolve (GtkCssValue      *color,
   GtkCssValue *value;
 
   gtk_internal_return_val_if_fail (color != NULL, NULL);
-  gtk_internal_return_val_if_fail (provider == NULL || GTK_IS_STYLE_PROVIDER_PRIVATE (provider), NULL);
+  gtk_internal_return_val_if_fail (provider == NULL || GTK_IS_STYLE_PROVIDER (provider), NULL);
 
   switch (color->type)
     {
diff --git a/gtk/gtkcsslookup.c b/gtk/gtkcsslookup.c
index 67560a190f..3a4c02d003 100644
--- a/gtk/gtkcsslookup.c
+++ b/gtk/gtkcsslookup.c
@@ -111,7 +111,7 @@ _gtk_css_lookup_resolve (GtkCssLookup      *lookup,
   guint i;
 
   gtk_internal_return_if_fail (lookup != NULL);
-  gtk_internal_return_if_fail (GTK_IS_STYLE_PROVIDER_PRIVATE (provider));
+  gtk_internal_return_if_fail (GTK_IS_STYLE_PROVIDER (provider));
   gtk_internal_return_if_fail (GTK_IS_CSS_STATIC_STYLE (style));
   gtk_internal_return_if_fail (parent_style == NULL || GTK_IS_CSS_STYLE (parent_style));
 
diff --git a/gtk/gtkcssstaticstyle.c b/gtk/gtkcssstaticstyle.c
index 57b6723d23..9ae4092a6c 100644
--- a/gtk/gtkcssstaticstyle.c
+++ b/gtk/gtkcssstaticstyle.c
@@ -207,7 +207,7 @@ gtk_css_static_style_compute_value (GtkCssStaticStyle *style,
   GtkCssValue *value;
 
   gtk_internal_return_if_fail (GTK_IS_CSS_STATIC_STYLE (style));
-  gtk_internal_return_if_fail (GTK_IS_STYLE_PROVIDER_PRIVATE (provider));
+  gtk_internal_return_if_fail (GTK_IS_STYLE_PROVIDER (provider));
   gtk_internal_return_if_fail (parent_style == NULL || GTK_IS_CSS_STYLE (parent_style));
   gtk_internal_return_if_fail (id < GTK_CSS_PROPERTY_N_PROPERTIES);
 
diff --git a/gtk/gtkcssvalue.c b/gtk/gtkcssvalue.c
index a6f1559b44..f6afc22679 100644
--- a/gtk/gtkcssvalue.c
+++ b/gtk/gtkcssvalue.c
@@ -90,7 +90,7 @@ _gtk_css_value_compute (GtkCssValue      *value,
 {
 
   gtk_internal_return_val_if_fail (value != NULL, NULL);
-  gtk_internal_return_val_if_fail (GTK_IS_STYLE_PROVIDER_PRIVATE (provider), NULL);
+  gtk_internal_return_val_if_fail (GTK_IS_STYLE_PROVIDER (provider), NULL);
   gtk_internal_return_val_if_fail (GTK_IS_CSS_STYLE (style), NULL);
   gtk_internal_return_val_if_fail (parent_style == NULL || GTK_IS_CSS_STYLE (parent_style), NULL);